Tolkappiyam is not dependent on Sanskrit sources and a work that demanded not only vast knowledge but also a lot of thinking from its author, according to Alexander Dubyanskiy, veteran Tamil scholar from Moscow State University.
Read more:
http://www.thehindu.com/news/national/tamil-nadu/tolkappiyam-is-not-dependent-on-sanskrit-sources-tamil-scholar/article489121.ece
Also on Tolkappiyam
Sivamala: Tolkappiyam timeline
sivamaalaa.blogspot.com/.../tolkappiyam-timeline.htm...
Translate this page
Jun 29, 2012 - Scientific proof for Tolkaapiyam timeline. the scientific proof for Tamils antiquity ! By MAHADEVAN. Tamizh Nadu is in thai and maasi[january ...Translate this page
Sivamala: Tolkappiyam timeline sivamaalaa.blogspot.com/.../tolkappiyam-timeline.htm... Translate this page Jun 29, 2012 - Scientific proof for Tolkaapiyam timeline. the scientific proof for Tamils antiquity ! By MAHADEVAN. Tamizh Nadu is in thai and maasi[january ...
Notes:
Maghadi : a name for Pali language.
First Sanskrit Inscription : 150 AD - The earliest inscription in Sanskrit is by the Saka Mahakshatrapa Rudradaman at Junagarh in Gujarat dated to AD 150. However, even here several of the words are wrong according to Sanskrit grammatical rules
Panini a Sanskrit grammarian was a Panan by caste. Mahabharatam was
written by Vyasan a learned man of fisherman caste. Ramayana was by Valmiki of the Valmiki caste. (Adivasi).
Hence non-Brahmins were the scholars in Skrt in yesteryears.